-3.27% is the change from 397 to 384
Calculation steps:
[( 384 - 397 ) ÷ 397] x 100 = -3.27%
Formula
Percentage change = [(384 - 397) / 397] x 100
Subtract the new number by the original number
384 - 397 = -13
-13 ÷ 397 = -0.0327455919395466
-0.0327455919395466 x 100 = -3.27%